Home / 3,206.16-4,424.22-1,789.74

Finding the Fourth Proportional to 3,206.16, 4,424.22 and 1,789.74

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Solution

The fourth proportional to 3,206.16, 4,424.22 and 1,789.74 is: 2,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.16 : 4,424.22 = 1,789.74 : x
  2. Step 2: Convert to fraction form
    3,206.16/4,424.22 = 1,789.74/x
  3. Step 3: Cross multiply
    3,206.16x = 4,424.22 × 1,789.74
  4. Step 4: Simplify right side
    3,206.16x = 7,918,203.50
  5. Step 5: Solve for x
    x = 7,918,203.50/3,206.16
  6. Step 6: Final answer
    x = 2,469.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.